大约有 40,000 项符合查询结果(耗时:0.0617秒) [XML]

https://stackoverflow.com/ques... 

How do you run a single test/spec file in RSpec?

...tests — for the one file I'm editing, for example. rake spec executes all the specs. My project is not a Rails project, so rake spec:doc doesn't work. ...
https://stackoverflow.com/ques... 

MySQL offset infinite rows

I would like to construct a query that displays all the results in a table, but is offset by 5 from the start of the table. As far as I can tell, MySQL's LIMIT requires a limit as well as an offset. Is there any way to do this? ...
https://stackoverflow.com/ques... 

difference between use and require

... By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy ...
https://stackoverflow.com/ques... 

Real-world examples of recursion [closed]

...l, and fixes itself quickly( Type A) , Except for one in 5 people ( We'll call these type B ) who become permanently infected with it and shows no symptoms and merely acts a spreader. This creates quite annoying waves of havoc when ever type B infects a multitude of type A. Your task is to track ...
https://stackoverflow.com/ques... 

Explicitly set Id with Doctrine when using “AUTO” strategy

... New solution works fine only when ALL entities have id before insert. When one entity has ID and another one does not - new solution is failing. I use this function for import all my data: function createEntity(\Doctrine\ORM\EntityManager $em, $entity, $id ...
https://stackoverflow.com/ques... 

.NET - Get protocol, host, and port

...ith uri.Headers["Host"] instead of GetLeftPart(), e.g. behind a proxy your service may be listening on a different/non-standard port and if you use that url in a callback (with the private port) the host will be unreachable. – doveryai Jun 5 at 19:56 ...
https://stackoverflow.com/ques... 

With arrays, why is it the case that a[5] == 5[a]?

... on here than elementary school arithmetic. The commutativity relies critically on the compiler recognizing which operand is a pointer (and to what size of object). To put it another way, (1 apple + 2 oranges) = (2 oranges + 1 apple), but (1 apple + 2 oranges) != (1 orange + 2 apples). ...
https://stackoverflow.com/ques... 

Loaded nib but the 'view' outlet was not set

...s are right, but as I'm a newcomer it took me a little while to figure out all the steps to do that. Here's what worked for me: Open the XIB file causing problems Click on file's owner icon on the left bar (top one, looks like a yellow outlined box) If you don't see the right-hand sidebar, click o...
https://stackoverflow.com/ques... 

How to remove all null elements from a ArrayList or String Array?

... Try: tourists.removeAll(Collections.singleton(null)); Read the Java API. The code will throw java.lang.UnsupportedOperationException for immutable lists (such as created with Arrays.asList); see this answer for more details. ...
https://stackoverflow.com/ques... 

Alias with variable in bash [duplicate]

...or that, rather than alias, and then exported it, like this: function tail_ls { ls -l "$1" | tail; } export -f tail_ls Note -f switch to export: it tells it that you are exporting a function. Put this in your .bashrc and you are good to go. ...